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<div class="title">EdgeCoverWithMaxCliques.h</div>  </div>
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<a href="EdgeCoverWithMaxCliques_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * EdgeCoverWithMaxCliques.h</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *  Created on: Mar 29, 2014</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *      Author: ik</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#ifndef EDGECOVERWITHMAXCLIQUES_H_</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EDGECOVERWITHMAXCLIQUES_H_</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="Grafo_8h.html">Grafo.h</a>&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="Lista_8h.html">Lista.h</a>&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="VertexSet_8h.html">VertexSet.h</a>&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="code" href="classEdgeCoverWithMaxCliques.html">   18</a></span>&#160;<span class="keyword">class </span><a class="code" href="classEdgeCoverWithMaxCliques.html">EdgeCoverWithMaxCliques</a></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;{</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;        <a class="code" href="classEdgeCoverWithMaxCliques.html">EdgeCoverWithMaxCliques</a>();</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classEdgeCoverWithMaxCliques.html">EdgeCoverWithMaxCliques</a>();</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">void</span> buildCliqueCover(<a class="code" href="classGrafo.html">Grafo</a>&amp; g, list&lt;VertexSet*&gt;&amp; cliques);</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;};</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="classEdgeCoverWithMaxCliques.html#a1804fdc671860b2acb76d6d1b57b31dc">   26</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classEdgeCoverWithMaxCliques.html#a1804fdc671860b2acb76d6d1b57b31dc">EdgeCoverWithMaxCliques::buildCliqueCover</a>(<a class="code" href="classGrafo.html">Grafo</a>&amp; g, list&lt;VertexSet*&gt;&amp; cliques)</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;{</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keywordtype">int</span> n = g.<a class="code" href="classGrafo.html#afd3b88c85b7c53d75c067f509b7ca62f" title="Devuelve la cantidad de vértices.">getN</a>();</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        <a class="code" href="classVertexSet.html">VertexSet</a>* includedInSomeClique = <span class="keyword">new</span> <a class="code" href="classVertexSet.html">VertexSet</a>(n);</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        <span class="comment">//for every vertex</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v &lt; n; v++)</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;                <a class="code" href="classVertexSet.html">VertexSet</a> Nv = g.<a class="code" href="classGrafo.html#a6655b3cc3062341428b5138a20e2423d">vecinos</a>(v);</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;                <a class="code" href="classLista.html">Lista</a> elemsNv = Nv.<a class="code" href="classVertexSet.html#a0dc1a170eba068c52846d57f5c5b27b9">lista</a>(0, Nv.<a class="code" href="classVertexSet.html#aaa4bda24e902ee3fdff1712220389396">size</a>());</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;                <span class="keywordtype">int</span> sizeNv = elemsNv.<a class="code" href="classLista.html#a5e11c25cb7da7daebb93ea00c1b65e71">cantidad</a>();</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;                <span class="comment">//and for every neighbour of v,  not present so far in any clique</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> w_i = 0; w_i &lt; sizeNv; w_i++)</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;                {</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                        <span class="keywordtype">int</span> w =elemsNv[w_i];</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                        <span class="keywordflow">if</span> (!includedInSomeClique-&gt;<a class="code" href="classVertexSet.html#a55e04c09798fb285372f015777fb019a">contains</a>(w))</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                        {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                                <span class="comment">//create a new partial clique containing v and w</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                                <a class="code" href="classVertexSet.html">VertexSet</a>* newClique = <span class="keyword">new</span> <a class="code" href="classVertexSet.html">VertexSet</a>(n);</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                                newClique-&gt;<a class="code" href="classVertexSet.html#a3a15b403edd5ae6af59c5ffc8f62d900">add</a>(w);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                                newClique-&gt;<a class="code" href="classVertexSet.html#a3a15b403edd5ae6af59c5ffc8f62d900">add</a>(v);</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;                                includedInSomeClique-&gt;<a class="code" href="classVertexSet.html#a3a15b403edd5ae6af59c5ffc8f62d900">add</a>(v);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;                                includedInSomeClique-&gt;<a class="code" href="classVertexSet.html#a3a15b403edd5ae6af59c5ffc8f62d900">add</a>(w);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;                                <span class="comment">//and expand new clique until it is maximal</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;                                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> z = 0; z&lt; n; z++)</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;                                {</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;                                        <span class="keywordtype">bool</span> todos = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                                        <a class="code" href="classLista.html">Lista</a> elemsnewClique = newClique-&gt;<a class="code" href="classVertexSet.html#a0dc1a170eba068c52846d57f5c5b27b9">lista</a>();</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                                        <span class="keywordtype">int</span> sizeNewClique = elemsnewClique.<a class="code" href="classLista.html#a5e11c25cb7da7daebb93ea00c1b65e71">cantidad</a>();</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;                                        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; sizeNewClique; j++)</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;                                                todos = todos &amp;&amp; g.<a class="code" href="classGrafo.html#a122d1c92d7b0805d3acb256ada83d633">isArista</a>(z, elemsnewClique[j]);</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                                        <span class="keywordflow">if</span> (todos)</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                                        {</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                                                newClique-&gt;<a class="code" href="classVertexSet.html#a3a15b403edd5ae6af59c5ffc8f62d900">add</a>(z);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;                                                includedInSomeClique-&gt;<a class="code" href="classVertexSet.html#a3a15b403edd5ae6af59c5ffc8f62d900">add</a>(z);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                                        }</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                                }</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                                cliques.push_back(newClique);</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                        }</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keyword">delete</span> includedInSomeClique;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">//              for (int v = 1; v &lt;= n; v++){</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">//                                      //if (!verticesEnClique.contains(v)) {</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">//                                              List&lt;Integer&gt; Nv = g.neighbours(v);</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">//                                              for (int w : Nv) {</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">//                                                      if (!verticesEnClique.contains(w)) {</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">//                                                              Set&lt;Integer&gt; newClique = new HashSet&lt;Integer&gt;();</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">//                                                              newClique.add(v);</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">//                                                              newClique.add(w);</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">//                                                              verticesEnClique.add(v);</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">//                                                              verticesEnClique.add(w);</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">//                                                              // expandimos la clique hasta hacerla maximal</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">//                                                              for (int z = 1; z &lt;= n; z++) {</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">//                                                                      //if (!verticesEnClique.contains(z)) {</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">//                                                                              boolean todos = true;</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">//                                                                              for (int c : newClique)</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment">//                                                                                      todos = todos &amp;&amp; g.adjacent(c, z);</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">//                                                                              if (todos) {</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">//                                                                                      newClique.add(z);</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">//                                                                                      verticesEnClique.add(z); //lo agregamos posiblemente más de una vez.</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">//                                                                              }</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">//                                                                      //}</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">//                                                              }</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">//                                                              results.add(newClique);</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment">//                                                      }</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">//                                              }</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment">//                                      }</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment">//                              return results;</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* EDGECOVERWITHMAXCLIQUES_H_ */</span><span class="preprocessor"></span></div>
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